<?php

class App_Captcha_RefreshView extends Qs_ViewController
{
    protected $_actions = ['blank', 'refresh'];

    protected function _doBlank()
    {
        exit;
    }

    protected function _doRefresh()
    {
        exit;
    }

    protected function _doRefreshAjax()
    {
        $id = Qs_Request::getGetValue('id');
        $sessionName = 'Zend_Form_Captcha_' . $id;
        $session = new Qs_Session_Namespace($sessionName);
        $options = isset($session->options) ? $session->options : [];
        $adapter = new Qs_Captcha_Image($options);
        $newId = $adapter->generate();
        $session->unsetAll();
        $response = [
            'isValid' => true,
            'oldId'   => $id,
            'newId'   => $newId,
        ];
        $this->_displayJson($response);
    }
}